Ask Dr. Rin!

Why, Asuka? Messenger from the Dark (1x41)

:

Asuka, who was in the hospital for amnesia, has suddenly disappeared somewhere. Meirin and her friends, who've found Asuka's whereabouts through fortune-telling, immediately rush to the place where Asuka should be, but he's already gone. The next day, Meirin, worried about Asuka, continues to search for him with Rinrin, who's also snuck out of school, but they can't find any leads. After returning home, she sees a post on Dr. Rin's website about a girl who's lost her lover, just like her, and goes to visit the girl...